quest-paste.user.js

// ==UserScript==
// @name         Enable paste on Quest
// @version      0.1
// @description  Enable paste on Quest diagnostics input fields
// @updateURL    https://gist.github.com/theY4Kman/8054da715976e1765655da4236ec4f6f/raw/quest-paste.user.js
// @match        https://myquest.questdiagnostics.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // ref: https://stackoverflow.com/a/68414487/148585
    var allowPaste = function(e){
        e.stopImmediatePropagation();
        return true;
    };
    document.addEventListener('paste', allowPaste, true);
})();